Is It On KEV?

Apple Multiple Products

YES - ON THE CISA KEV LIST
CVE-2021-1789

Apple Multiple Products Type Confusion Vulnerability

CISA catalog due date2022-05-25
overdue since 2022-05-25
EPSS exploit probability (next 30 days)14.0% · 97percentile
From CVE publication to KEV listing397 days (2021-04-02 → 2022-05-04)
Remediation window (KEV listing to due date)21 days
Days on the KEV list1652 days
Date added to KEV2022-05-04
Known ransomware campaign useUnknown
VendorApple
ProductMultiple Products
Weaknesses (CWE)CWE-843

Apple: 96 entries (5.4% of all KEV entries are from this vendor); 10 added in 2026.

BOD 26-04 note: this is the date printed in the CISA catalog. A federal agency's actual deadline is set by its SSVC tier - Act (3 days), Attend (14 days), Track (60 days), or the next scheduled upgrade - counted from the KEV listing date or the date the vulnerability is identified in its environment, whichever comes first. Use the tier helper on each CVE page for your own window.

Your BOD 26-04 window (SSVC tier helper)

Your remediation window ends:

Description

A type confusion issue affecting multiple Apple products allows processing of maliciously crafted web content, leading to arbitrary code execution.

Required action (CISA)

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2021-1789

References

Other KEV entries for this vendor: Apple

Apple - Vendors with KEV entries

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